Chamberlain 248735 3/4 HP Carton Inventory

Carton Inventory

Your garage door opener is packaged in one carton which contains the motor unit and all parts illustrated below. Accessories will depend on the model purchased. If anything is missing, carefully check the packing material. PARTS MAY BE STUCK IN THE FOAM. Hardware for

assembly and installation is shown on the next page. Save the carton and packing material until installation and adjustment is complete.

LOCK		SECURITY✚® 3-Button
		SECURITY✚® 3-Button
Multi-Function	SECURITY✚®	Remote Control with Visor Clip (2)
Multi-Function	Keyless Entry
Door Control Panel

Chain and Cable

Header Bracket

Rail

Front (header)

Section

Safety Sensor

Bracket (2)

Motor Unit with 2 Light Lenses

Chain Spreader

Rail

Center/Back

Sections

Trolley

Idler Pulley

			Hanging Brackets
		"U" Bracket
		Curved Door
		Arm Section
	Door Bracket
		2-Conductor Bell Wire
		White & White/Red
	The Protector System®
	(2) Safety Reversing Sensors	Safety Labels
	(1 Sending Eye and 1 Receiving Eye)	Safety Labels
	(1 Sending Eye and 1 Receiving Eye)	and
	with 2-Conductor White & White/Black	and
	with 2-Conductor White & White/Black	Literature	Straight Door
	Bell Wire attached	Literature	Straight Door
			Arm Section

6

Contents

For Residential Use Only Introduction Assembly Installation Safety Symbol and Signal Word Review Preparing your garage door Tools needed Planning Planning (Continued) Carton Inventory Hardware Inventory Assemble the Rail & Install the Trolley Fasten the Rail to the Motor Unit Install the Idler Pulley Install the Chain/Cable Tighten the Chain Determine the Header Bracket Location Install the Header Bracket Attach the Rail to the Header Bracket Position the Opener Hang the Opener Install the Door Control Install the Lights Attach the Emergency Release Rope and Handle Electrical Requirements Install The Protector System® INSTALLING THE BRACKETS Garage door track installation (preferred): Wall installation (Figure 2 & 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY REVERSING SENSORS ALIGNING THE SAFETY REVERSING SENSORS TROUBLESHOOTING THE SAFETY Fasten the Door Bracket ONE-PIECEDOORS Metal Doors: Connect Door Arm to Trolley ALL ONE-PIECEDOORS 1.Assemble the door arm, Figure 4: 2.Adjustment procedures, Figure 5: •Open door adjustment: decrease UP travel limit •Closed door adjustment: decrease DOWN travel limit Adjust the UP and DOWN Travel Limits Adjust the Force Test the Safety Reversal System Test The Protector System® Using Your Garage Door Opener Using the Wall-MountedDoor Control To Open the Door Manually CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: THE REMOTE CONTROL BATTERY Repeat the safety reverse test (Adjustment Step 3, page 29) after any adjustment of limits or force HAVING A PROBLEM 1. My door will not close and the light bulbs blink on my motor unit: 2. My remotes will not activate the door: 3. My door reverses for no apparent reason: Repeat 1 FLASH 2 FLASHES 3 FLASHES 4 FLASHES 5 FLASHES To Add or Reprogram a Hand-heldRemote Control To Erase All Codes From Motor Unit Memory *3-ButtonRemotes To Add, Reprogram or Change a Keyless Entry PIN Rail Assembly Parts Installation Parts Motor Unit Assembly Parts ACCESSORIES 953D 3-ButtonSECURITY✚® Remote Control: 956D CHAMBERLAIN® ONE YEAR LIMITED WARRANTY 10 YEAR MOTOR LIMITED WARRANTY